Respiratory Biochemistry Flashcards
1
Q
precision
A
this gives you an idea of how predictable the test result will be. This requires repeated measurement of something.
2
Q
accuracy
A
how close the result is to the true value
3
Q
false positive
A
a healthy person whose result is in the “disease” territory and is a false alarm
4
Q
false negative
A
a person with the disease whose result is in the “healthy” territory and is falsely reassuring
5
Q
positive predictive value
A
the %age of people with a positive test result that actually have the disease
6
Q
negative predictive value
A
the %age of people with a negative test result that don’t have the disease
7
Q
prevalence
A
the %age of people tested who have the disease
8
Q
as prevalence falls, PPV falls/ rises?
A
falls
9
Q
as prevalence falls, NPV falls/ rises?
A
rises
